Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Mantle
2.
B.
Asthenosphere
3.
C.
Crust
4.
D.
Inner Core
5.
E.
Lithosphere
6.
F.
Outer Core
7.
G.
Convection
8.
H.
Core
9.
I.
Dense